> Markdown version of [/jobs/ext/2792775-full-stack-web-developer](https://www.wearedevelopers.com/jobs/ext/2792775-full-stack-web-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack WEB Developer - **Company:** Barcelona Supercomputing Center - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Microsoft Excel, Cascading Style Sheets (CSS), Software Quality, Code Review, Computer Engineering, Software Design Patterns, Entity Framework, JQuery, Simple Mail Transfer Protocols, Microsoft SQL Server, SQL Databases, Supercomputing, Time Tracking Software, High Performance Computing, .NET Core, Backend, Git, Information Technology, Front End Software Development, Restful APIs - **Published:** September 8, 2026 - **Apply:** https://www.bsc.es/discover-bsc/not-assigned-pages/open-apply-tenders ## About the Role * Education + Degree in Computer Engineering, Information Technology, or similar * Essential Knowledge and Professional Experience + 2-4 years of experience with C# and .NET Core / .NET 6+ + Experience with Entity Framework and SQL Server + Experience working with Razor Views + Strong knowledge of HTML, CSS, JavaScript, jQuery + Experience with web deployment (Kestrel/HTTPS) and SMTP/authentication setup + Working fluency in Spanish and English is required, Catalan will be a plus. * Additional Knowledge and Professional Experience + Understanding of REST APIs + Nice to have: * ASP.NET Identity * Quartz.NET for scheduled jobs * QuestPDF or similar PDF generation libraries * EPPlus for Excel/CSV exports * SMTP / automated email sending * Serilog * Competences + Autonomy & Proactivity: Ability to work independently and take initiative in development tasks. + Technical Ownership: End-to-end responsibility for development, testing, and maintenance. + Problem Solving: Diagnose and resolve issues. + Clean Code & Best Practices: Experience with .NET best practices, design patterns, and Git. + Communication & Collaboration: Clear communication with technical and non-technical staff ## Description We are looking for a Mid-Level Full Stack Developer with experience in .NET to join an internal platform used for time tracking and reporting in audit processes. The selected candidate will be responsible for maintaining, improving, and supporting the application. Key Duties * Develop end-to-end features using .NET Core / .NET 6+ on the backend and Razor Views + HTML on the frontend * Participate in architecture design and technical decision-making * Contribute to code quality improvements, code reviews, and best practices * Integrate REST APIs and work with SQL databases * Provide support to the financial justification team regarding the platform, * A cover/motivation letter with a statement of interest in English, clearly specifying for which specific area and topics the applicant wishes to be considered. Additionally, two references for further contacts must be included. Applications without this document will not be considered. Development of the recruitment process The selection will be carried out through a competitive examination system ("Concurso-Oposición"). The recruitment process consists of two phases: * Curriculum Analysis: Evaluation of previous experience and/or scientific history, degree, training, and other professional information relevant to the position. - 40 points * Interview phase: The highest-rated candidates at the curriculum level will be invited to the interview phase, conducted by the corresponding department and Human Resources. In this phase, technical competencies, knowledge, skills, and professional experience related to the position, as well as the required personal competencies, will be evaluated. - 60 points. A minimum of 30 points out of 60 must be obtained to be eligible for the position. The recruitment panel will be composed of at least three people, ensuring at least 25% representation of women. In accordance with OTM-R principles, a gender-balanced recruitment panel is formed for each vacancy at the beginning of the process. After reviewing the content of the applications, the panel will begin the interviews, with at least one technical and one administrative interview. At a minimum, a personality questionnaire as well as a technical exercise will be conducted during the process. The panel will make a final decision, and all individuals who participated in the interview phase will receive feedback with details on the acceptance or rejection of their profile. At BSC, we seek continuous improvement in our recruitment processes. For any suggestions or comments/complaints about our recruitment processes, please contact recruitment [at] bsc [dot] es. For more information, please follow this link. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Meta Harnesses: What the JS Framework Wars Teach Us About What Is Next for AI Agents](https://www.wearedevelopers.com/videos/100353-meta-harnesses-what-the-js-framework-wars-teach-us-about-what-is-next-for-ai-agents) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Dev Digest 113 - Debugging above the cloud](https://www.wearedevelopers.com/magazine/422-dev-digest-113-debugging-above-the-cloud) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)